Home / 1,091,280.79-1,505,852.31-632,539.26

Finding the Fourth Proportional to 1,091,280.79, 1,505,852.31 and 632,539.26

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Solution

The fourth proportional to 1,091,280.79, 1,505,852.31 and 632,539.26 is: 872,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,280.79 : 1,505,852.31 = 632,539.26 : x
  2. Step 2: Convert to fraction form
    1,091,280.79/1,505,852.31 = 632,539.26/x
  3. Step 3: Cross multiply
    1,091,280.79x = 1,505,852.31 × 632,539.26
  4. Step 4: Simplify right side
    1,091,280.79x = 952,510,695,144.73
  5. Step 5: Solve for x
    x = 952,510,695,144.73/1,091,280.79
  6. Step 6: Final answer
    x = 872,837.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.